Add support for KHR_materials_variants extension#657

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mdeardorff wants to merge 3 commits intoCesiumGS:mainfrom

mdeardorff:feature/khr-materials-variants

Commits on Jan 27, 2026

Add support for KHR_materials_variants extension
mdeardorff
committed

Commits on Jan 30, 2026

Use opaqueMaterial from tileset
mdeardorff
committed

Commits on Feb 9, 2026

change variants to more consistently get meshrenderer
awefel
committed